<template>
  <el-upload
    class="avatar-uploader"
    action="http://localhost:9527/sapi/admin/upload"
    :headers="headers"
    :show-file-list="false"
    :on-success="handleAvatarSuccess"
    :before-upload="beforeAvatarUpload"
  >
    <img v-if="imageUrl" :src="imageUrl" class="avatar" />
    <el-icon v-else class="avatar-uploader-icon"><Plus style="width: 100px" /></el-icon>
  </el-upload>
</template>

<script lang="ts" setup>
import { reactive, ref, defineProps } from 'vue'
import { ElMessage, ElIcon, ElUpload } from 'element-plus'
import { Plus } from '@element-plus/icons-vue'

import type { UploadProps } from 'element-plus'
import { string } from 'vue-types'

const props = defineProps({
  pic: {
    type: string,
    default: null
  }
})
console.log(props)
const imageUrl = ref(props.pic)
const headers = reactive({
  Authentication:
    'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJ6emptIiwiZXhwIjoxNzA5MzQ3MjEzLCJpYXQiOjE3MDY3NTUyMTMsInVzZXJJZCI6MSwidXNlcm5hbWUiOiJhZG1pbiJ9.atV5jsJ68QakcuAXjWs0UV-CVWJod-Pi_x5nLlE6v2c'
})

const handleAvatarSuccess: UploadProps['onSuccess'] = (response, uploadFile) => {
  imageUrl.value = URL.createObjectURL(uploadFile.raw!)
}

const beforeAvatarUpload: UploadProps['beforeUpload'] = (rawFile) => {
  const types = ['image/jpeg', 'image/jpg', 'image/png', 'image/gif']
  if (types.indexOf(rawFile.type) == -1) {
    ElMessage.error('文件格式必须是图片类型')
    return false
  } else if (rawFile.size / 1024 / 1024 > 2) {
    ElMessage.error('Avatar picture size can not exceed 2MB!')
    return false
  }
  return true
}
</script>

<style scoped>
.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>
